EP3411436B1 - Récipient pour nourriture impermeble au oxygén, methode, usage et emballage. - Google Patents

Récipient pour nourriture impermeble au oxygén, methode, usage et emballage. Download PDF

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Publication number
EP3411436B1
EP3411436B1 EP17703936.9A EP17703936A EP3411436B1 EP 3411436 B1 EP3411436 B1 EP 3411436B1 EP 17703936 A EP17703936 A EP 17703936A EP 3411436 B1 EP3411436 B1 EP 3411436B1
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EP
European Patent Office
Prior art keywords
packaging material
polymer blend
polymer
pvoh
biodegradable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP17703936.9A
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German (de)
English (en)
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EP3411436A1 (fr
EP3411436B2 (fr
Inventor
Norbert Kuhl
Martin Wassmer
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Individual
Original Assignee
Individual
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Application filed by Individual filed Critical Individual
Priority to EP19197117.5A priority Critical patent/EP3597565A1/fr
Priority to PL17703936.9T priority patent/PL3411436T5/pl
Publication of EP3411436A1 publication Critical patent/EP3411436A1/fr
Application granted granted Critical
Publication of EP3411436B1 publication Critical patent/EP3411436B1/fr
Publication of EP3411436B2 publication Critical patent/EP3411436B2/fr
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Classifications

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    • C08L29/02—Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • the invention relates to a polymer blend according to claim 1, a method for producing a polymer blend according to claim 7, the use of a polymer blend for producing a packaging material according to claim 11 and a packaging material according to claim 15.
  • the packaging material according to the invention may in particular, but not exclusively, be suitable for the packaging of foods and in particular be provided as a food container, for example for receiving liquid, pasty, solid, pulverulent, in particular ground or free-flowing foods, for example as part of a Plastic coffee or tea capsule or even for the inclusion of dairy products or Brühgut, such as coffee, tea, instant drinks or instant soups.
  • packaging material according to the invention may inter alia also be used as packaging material for pharmaceutical products, medical products, in particular sterile medical devices in which it may also be suitable for aseptic packaging, or for other products where low gas permeability of the packaging material is desired, such as be provided in the packaging of toner or ink cartridges for printers or copiers or for air-sensitive, electrical or electronic equipment and the like.
  • the packaging material is required to have a low gas permeability, especially a low oxygen permeability. This applies, for example, often in the packaging of food, which will be discussed in more detail below as an exemplary application, even if the packaging material of the invention should not be limited thereto, but, as noted above, is also suitable for various other products in which a low gas permeability of the packaging material is desired.
  • Plastic packaging is generally not diffusion-tight or gas-tight, in particular not tight against the entry of oxygen, which can interact with the packaged goods.
  • plastic packaging especially as a food container for oxygen-sensitive food, they are therefore preferred with a
  • To provide gas-tight, waterproof, aroma-tight and possibly food-safe barrier layer one wants to reduce quality losses by the action of oxygen on the goods contained therein (food) to a minimum or even prevent.
  • a barrier layer provides a flavor tightness, which ensures that the food received in the plastic packaging, not lose their aroma even after a long time.
  • WO 2014/067507 A2 is a capsule for receiving a Brühguts known as coffee, tea or the like.
  • the capsule is formed from a plastic, in particular from PBT or a plastic of the PBT family.
  • WO 2014/067507 A2 proposes, as a gas barrier layer, a surface coating for attaining oxygen-tightness, and further performs to apply the gas-barrier layer in the plasma vapor deposition method, among others, by the use of silicon.
  • Such a plasma vapor deposition process employs silicon oxides which are vaporized in a (high) vacuum by means of an electric arc generated by high voltage, the silica vapor subsequently being deposited on the objects in the vacuum chamber, including the capsules.
  • DE 10 2011 052 149 A1 is further required for this process for the coating of food packaging containers, that this silicon oxides SiO x are to be used, in which x ⁇ 0.9, is to be a value of ⁇ 2, preferably.
  • a plasma before in which organosilanes are preferably used. All these methods have the disadvantage that they represent a technically complex process, which is also very expensive.
  • the effort to achieve a suitable oxygen-tightness for example, to achieve a longer best-before period, relatively high and therefore usually uneconomical over oxygen-tight packaging bags in which the coffee capsules can be additionally packaged to achieve the required minimum shelf life.
  • EP 0 603 876 A1 discloses a biodegradable packaging material consisting of an oxygen barrier core layer of polyvinyl alcohol, which is provided on both sides with a water vapor barrier layer of polyhydroxybutyrate, polyhydroxyvalerate or a copolymer thereof, wherein on each of these two water vapor barrier layers nor a layer of a cellulose derivative and / or Paper is arranged.
  • the oxygen-blocking core layer of polyvinyl alcohol is on both sides with a water vapor barrier layer, which in turn are covered with a layer of a cellulose derivative and / or paper. It is therefore a five-layered layer structure with an oxygen-blocking core layer of polyvinyl alcohol in the middle.
  • WO 2015/177591 A2 discloses an aluminum capsule for the preparation of beverages, which may in particular be filled with ground coffee and has a housing body and a closure element.
  • the closure element is a laminate film having a plurality of layers, in particular an oxygen-impermeable barrier layer which may be made of PVOH and which is disposed between a layer of PLA and a support of cellulose or PLA.
  • An adhesive layer is also provided between the oxygen-impermeable barrier layer and the layer.
  • the object of the present invention is to provide a plastic material from which a packaging material or a packaging with low gas permeability can be produced in a simple and cost-effective manner.
  • the plastic or the packaging made therefrom should moreover be biodegradable, in particular compostable according to EN 13432 and / or EN 14995.
  • the object is achieved by a polymer blend according to claim 1 and by a packaging material according to claim 15.
  • Preferred embodiments of the polymer blend are specified in the subclaims dependent on claim 1.
  • Preferred embodiments of the packaging material are specified in the subclaims dependent on claim 15.
  • the object according to the invention is furthermore achieved by a process for the preparation of a polymer blend according to claim 7 and by the use of a polymer blend for producing a packaging material according to claim 11, whereby the subclaims dependent on claims 7 and 11 are also directed to preferred embodiments.
  • the polymer blend according to the invention comprises 15 to 70% by weight of polyvinyl alcohol (PVOH) and / or a PVOH copolymer and 30 to 85% by weight of another polymer.
  • PVOH polyvinyl alcohol
  • PVOH polyvinyl alcohol
  • the process according to the invention for producing a polymer blend comprises the following steps: (a) mixing polyvinyl alcohol (PVOH) and / or a PVOH copolymer and another polymer, wherein the mass-related mixing ratio of the further polymer to PVOH and / or the PVOH copolymer in the Range from 85:15 to 30:70; (b) melting, mixing and compacting the mixture obtained in step (a) to obtain a homogeneous mixture.
  • a further step (c) it is possible to extrude the homogeneous mixture obtained in step (b), wherein the extrudate can be granulated in a further step (d).
  • Both the homogeneous mixture already contained in step (b) can be directly and immediately fed to a primary molding process, just as the extrudate obtained in step (c) or the granules produced in step (d) can be fed to a primary molding process, such as injection molding, Deep drawing or stretching.
  • a primary molding process such as injection molding, Deep drawing or stretching.
  • the process according to the invention is particularly suitable for producing a polymer blend according to the invention.
  • the present invention further relates to the use of a polymer blend according to the invention for producing a packaging material with low gas permeability, in particular for producing a packaging material according to the invention.
  • the packaging material according to the invention is at least partially produced from a polymer blend according to the invention.
  • the polymer blend according to the invention comprises at least two components.
  • One of the two components is a polyvinyl alcohol (PVOH), which is also referred to as PVAL, and / or a PVOH copolymer.
  • PVOH copolymer is a polymer composed of two or more different monomer units, wherein one of the monomer units is vinyl alcohol.
  • PVOH polyvinyl alcohol
  • the term polyvinyl alcohol (PVOH) is also intended to include PVOH copolymers, although these should not be mentioned explicitly.
  • synonymous with the term "polymer” and the term "plastic” is used.
  • a polymer blend which in many cases is also simply referred to as a polyblend, is understood as meaning a mixture of at least two (different) polymers in the solid state, without a chemical reaction taking place or taking place between the two polymers. In such a purely physical mixture arise between the macromolecules of the plastics used no chemical bonds.
  • An example of a polymer blend according to the invention is PE / PVOH or else PS / PVOH, the slash between the two plastic designations indicating that this is a polymer blend.
  • the proportion by weight of PVOH or of the PVOH copolymer on the polymer blend is more than 15%, a suitable increase in the oxygen-tightness of a packaging material made from them can be seen, which increases with increasing proportion by weight.
  • the increase in oxygen tightness it is possible to achieve a longer shelf life of the packaged product, for example, a food, which goes hand in hand with maintaining the quality of the packaged food for an extended period of time.
  • the oxygen tightness can be further increased, with some saturation in terms of increase in oxygen tightness being achieved, depending on the use of the non-PVOH component at about 70% by weight.
  • the polymer blend may in particular contain 20 to 65% by weight, in particular 25 to 60% by weight, in particular 25 to 50% by weight, in particular 30 to 50% by weight, for example about 35 to 40% by weight.
  • %, PVOH and / or PVOH copolymer may in particular contain 20 to 65% by weight, in particular 25 to 60% by weight, in particular 25 to 50% by weight, in particular 30 to 50% by weight, for example about 35 to 40% by weight.
  • the physical properties of the packaging material according to the invention can be better influenced or controlled than in the case of a one-material, thermoplastic material as the starting material for injection molding.
  • a PVOH layer would be water-soluble and would have to be protected by a water vapor barrier. This would mean an enormous additional effort over the invention, which the invention just wants to avoid.
  • the mechanical properties of such a PVOH layer for example the material hardness, are in many cases not sufficient.
  • the polymer blend contains, in addition to PVOH or a PVOH copolymer, at least one further polymer.
  • the proportion of the further polymer (in the case of more than one further polymer, the sum of the proportions of the other polymers) to the polymer blend is 30 to 85 wt .-%, in particular 35 to 80 wt .-%, in particular 40 to 75 wt. -%, In particular 50 to 75 wt .-%, in particular 50 to 70 wt .-%, such as about 60 to 65 wt .-%.
  • polystyrene PS
  • PA polyamide
  • PP polypropylene
  • the further polymer of the polymer blend according to the invention is a biodegradable polymer, in particular one according to EN 13432 and / or EN 14995 compostable plastic.
  • the further polymer may in particular be a biopolymer which has been produced from renewable raw materials.
  • the biodegradable polymer need not necessarily be made from renewable resources, but may, for example, be a biodegradable, petroleum-based polymer.
  • the use of a biodegradable polymer as the further polymer of the polymer blend according to the invention is particularly preferred when the packaging material made from the polymer blend according to the invention is to be compostable, which in turn is particularly advantageous when the packaged product, such as a food, should be disposed of together with the packaging.
  • the packaging material as a coffee or tea capsule
  • the used coffee or tea capsule together with its content (brewed coffee or brewed tea) in organic waste or on the (industrial or domestic) Compost or the like can be disposed of. This may make it possible to rebut ecological reservations of some consumers of such products, such as coffee or tea capsule, or to increase the acceptance of such products and thus open up new markets for this purpose.
  • the biodegradable polymer may be selected from the group consisting of aliphatic and aliphatic-aromatic polyesters, polyester amides, polylactic acids, polyhydroxy fatty acids, starch and derivatives, proteins, lignins and cellulose derivatives.
  • other native polymers such as cellulose, or other plastics based on renewable raw materials, can also be used as a component for the polymer blend according to the invention.
  • biobased polymers which are prepared, for example, from organic compounds such as starch, sucrose or glucose.
  • the biobased polymers also include thermoplastics based on lignin or epoxy acrylates based on oils, such as linseed or palm oil.
  • biodegradable, petroleum-based polymers can be used as the further polymer in the polymer blend according to the invention.
  • biodegradable, petroleum-based polymers include certain polyesters (especially aliphatic and aliphatic-aromatic polyesters), but also polyvinyl alcohol and polybutylene adipate terephthalate (PBAT), polybutylene succinate (PBS), polycaprolactone (PCL) or polyglycolide (PGA).
  • biodegradable polymers include, for example, also thermoplastics produced from polyhydroxyalkanoates, polyhydroxybutyrates, polycaprolactone, polyesters, starch, Ingeo TM, lignin, natural resins, natural waxes, natural oils, natural fatty acids, cellulose, proteins or glucose.
  • thermoplastics produced from polyhydroxyalkanoates, polyhydroxybutyrates, polycaprolactone, polyesters, starch, Ingeo TM, lignin, natural resins, natural waxes, natural oils, natural fatty acids, cellulose, proteins or glucose.
  • biodegradable packaging material By means of a polymer blend according to the invention of biodegradable polymers and PVOH, an oxygen-tight, biodegradable packaging material can be produced, which thus contributes not only to the extension of the minimum shelf life but also to the dismantling of garbage mountains.
  • the biodegradable polymers used in the polymer blend according to the invention are preferably biodegradable according to EN 13432 or EN 14995, i. their biodegradation can take place in industrial composting plants. This has the advantage that the degradation can take place under the conditions of an industrial composting plant, i. Biodegradation takes place within a few weeks at elevated temperatures, elevated air humidity and at a defined oxygen content.
  • the further polymer may be selected from the group consisting of polyethylene (PE), polypropylene (PP), polyamide (PA) and polystyrene (PS), as well as combinations thereof, or other plastic commonly used in the packaging industry.
  • PE polyethylene
  • PP polypropylene
  • PA polyamide
  • PS polystyrene
  • these materials for the further polymer are particularly suitable in applications in which a biodegradability of the packaging material is not required or even undesirable.
  • these polymers can bring advantages in terms of processing, water vapor resistance, mechanical properties, cost or the like.
  • an increased oxygen-tightness is achieved by the addition of polyvinyl alcohol (PVOH) and / or a PVOH copolymer according to the invention.
  • the polymer blend according to the invention is obtainable by mixing polyvinyl alcohol (PVOH) and / or a PVOH copolymer and another polymer in a first step, wherein melting and compacting are carried out in a further step, which can be at least partially parallel in time with further mixing and to obtain a homogeneous mixture in the melt.
  • the homogeneous mixture can, in particular as a melt, directly a primary molding process, such as injection molding, are supplied.
  • An extrudate of the homogeneous mixture may be subjected to granulation or also to a master-molding process, such as injection molding, deep-drawing or stretching.
  • the polymer blend according to the invention can be obtained by a process according to the invention for preparing a polymer blend, as described in more detail below.
  • the polymer blend according to the invention is present as a granulate.
  • This easy-to-handle form of the polymer blend facilitates further processing of the polymer blend, for example into a packaging material, for example by means of injection molding, thermoforming, stretching and the like.
  • this embodiment also facilitates the transport of the polymer blend from the place of its production to the place of its further processing and also facilitates the storage of the polymer blend.
  • the process according to the invention for producing a polymer blend comprises the following steps: (a) mixing polyvinyl alcohol (PVOH) and / or a PVOH copolymer and another polymer, wherein the mass-related mixing ratio of the further polymer to PVOH and / or the PVOH copolymer in the Range from 85:15 to 30:70; (b) melting, (further, continuously) mixing and compacting the mixture obtained in step (a) to produce a homogeneous mixture.
  • the homogeneous mixture obtained in step (b) can be fed to an extrusion, wherein the extrudate obtained can be granulated in a further step (d).
  • the process according to the invention is particularly suitable for producing a polymer blend according to the invention.
  • the mixing according to step (a) and / or the melting according to step (b) can be carried out, for example, in an optionally modified injection molding machine screw or in a twin-screw extruder.
  • a more intensive mixing to obtain a particularly homogeneous mixture of the polymer components can be achieved, resulting in a uniformly low gas permeability of the packaging material made from the polymer blend obtained as a process product.
  • the inventors of the present invention assume that essentially no chemical compounds are formed between the polymers used in the preparation of the polymer blend, but that the polymer chains of the two different polymers intermesh and adhere to one another, that the resulting polymer blend has a low gas permeability, in particular an improved oxygen tightness.
  • the mixing ratio of the further polymer to PVOH and / or the PVOH copolymer can, in one embodiment of the process according to the invention, in particular in the range of 80:20 to 35:65, in particular in the range of 75:25 to 40:60, in particular in the range of 75 : 25 to 50:50, in particular in the range of 70:30 to 50:50, in particular in the range of 65:35 to 60:40.
  • the polymer blend according to the invention can be used in particular for producing a packaging material with low gas permeability, in particular for producing a packaging material according to the invention with low oxygen permeability.
  • the polymer blend according to the invention can be used to produce a packaging material by means of injection molding, thermoforming and / or stretching.
  • the term "low gas permeability” can be understood in particular to mean a gas permeability, in particular an oxygen permeability, in the range from 0.1 to 1 ⁇ 10 -4 cm 3 / m 2 / day, measured according to ISO 15105-2 , The measurement can be carried out in particular at an air pressure of 1 bar, ie an oxygen partial pressure of about 0.21 bar and at a thickness of the sample whose gas permeability is measured, of 0.5 mm.
  • the polymer blend according to the invention can thus be used to produce a packaging material with a gas permeability in the range of 0.1 to 1 ⁇ 10 -4 cm 3 / m 2 / day, in particular 0.15 to 0.9 ⁇ 10 -4 cm 3 / m 2 / Day, in particular 0.2 to 0.8 ⁇ 10 -4 cm 3 / m 2 / day, measured according to ISO 15105-2.
  • the polymer blend according to the invention can be used to produce a biodegradable packaging material, which is preferably compostable according to EN 13432 and / or EN 14995.
  • the polymer blend according to the invention contains, in addition to PVOH and / or a PVOH copolymer as the further polymer, a particularly biodegradable polymer, as described in detail above, for example.
  • the packaging material according to the invention is at least partially made of a polymer blend according to the invention.
  • at least part of the packaging material according to the invention can be made from a polymer blend according to the invention, such as at least one container and / or a lid, which can serve as a packaging.
  • the packaging material according to the invention in addition to the polymer blend according to the invention may also be made of one or more further components.
  • the packaging material is made exclusively from a polymer blend according to the invention.
  • the packaging material according to the invention can in particular be produced from the polymer blend by means of injection molding, thermoforming and / or stretching.
  • the packaging material is as a container or other three-dimensional shaped body for Receiving or packaging designed a good that can be made for example by injection molding and / or deep drawing of the polymer blend according to the invention.
  • the packaging material may be in the form of a film which may be suitable for wrapping, wrapping or packaging a product and which may for example be produced by means of stretching.
  • the packaging material according to the invention preferably has a low gas permeability.
  • the packaging material according to the invention can have a gas permeability in the range of 0.1 to 1 ⁇ 10 -4 cm 3 / m 2 / day, in particular 0.15 to 0.9 ⁇ 10 -4 cm 3 / m 2 / day, in particular 0, 2 to 0.8 ⁇ 10 -4 cm 3 / m 2 / day, measured according to ISO 15105-2.
  • the packaging material according to the invention may be biodegradable, in particular be compostable according to EN 13432 and / or EN 14995.
  • the packaging material according to the invention is preferably prepared from a polymer blend according to the invention, which in addition to PVOH and / or a PVOH copolymer as the further polymer comprises in particular a biodegradable polymer, as described in detail above, for example.
  • the packaging material according to the invention can be, for example, a packaging material for food. In particular, it may be configured as a food container. However, as mentioned above, the packaging material according to the invention can also be a packaging material for other air-sensitive products, such as pharmaceutical products, medical products, in particular sterile medical devices, in which it may also be suitable for aseptic packaging. However, the packaging material of the present invention may also be used for packaging air-sensitive toner or ink cartridges for printers or copiers, or air-sensitive electric or electronic appliances, and the like.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Packages (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Wrappers (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Laminated Bodies (AREA)
  • Apparatus For Making Beverages (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Claims (20)

  1. Mélange de polymères destiné à la fabrication d'un matériau d'emballage à faible perméabilité aux gaz, caractérisé en ce que le mélange de polymères comprend un alcool polyvinylique (PVOH) et/ou un copolymère PVOH et un autre polymère, dans lequel
    - le rapport de mélange en poids entre l'autre polymère et l'alcool polyvinylique (PVOH) et/ou un copolymère PVOH est compris entre 85:15 et 30:70 et
    - l'autre polymère est choisi dans le groupe constitué du polyéthylène (PE), du polypropylène (PP) et du polystyrène (PS) ou un polymère biodégradable.
  2. Mélange de polymères selon la revendication 1, dans lequel le polymère biodégradable est un plastique compostable tel que défini dans les normes EN 13432 et/ou EN 14995.
  3. Mélange de polymères selon la revendication 1 ou 2, dans lequel le polymère biodégradable est choisi dans le groupe constitué par les polyesters aliphatiques et aliphatiques-aromatiques, les polyesteramides, l'acide polylactique, les acides gras polyhydroxylés, l'amidon et ses dérivés, les protéines, les lignines et les dérivés de cellulose.
  4. Mélange de polymères selon l'une quelconque des revendications 1 à 3, pouvant être obtenu par mélange, fusion et compactage d'alcool polyvinylique (PVOH) et/ou d'un copolymère PVOH et de l'autre polymère jusqu'à obtention d'un mélange homogène à l'état fondu.
  5. Mélange de polymères selon la revendication 4, dans lequel le mélange homogène peut être produit au moyen d'une extrudeuse ou d'une vis sans fin d'une presse à injecter.
  6. Mélange de polymères selon la revendication 4 ou 5, dans lequel le mélange homogène est ensuite granulé ou peut être amené à un procédé de formage initial.
  7. Mélange de polymères selon l'une quelconque des revendications 1 à 6, dans lequel le mélange de polymères est disponible sous forme de granulés.
  8. Procédé de fabrication d'un mélange de polymères, en particulier d'un mélange de polymères selon l'une quelconque des revendications 1 à 7, lequel procédé comprend les étapes suivantes :
    (a) Mélange d'alcool polyvinylique (PVOH) et/ou d'un copolymère PVOH et d'un autre polymère, dans lequel le rapport de mélange en poids entre l'autre polymère et le PVOH et/ou le copolymère PVOH est compris entre 85:15 et 30:70;
    (b) Fusion, brassage et compactage du mélange obtenu à l'étape (a) jusqu'à obtention d'un mélange homogène.
  9. Procédé selon la revendication 8, comprenant en outre :
    (c) Extrusion du mélange homogène obtenu à l'étape (b).
  10. Procédé selon la revendication 9, comprenant en outre :
    (d) Granulation de l'extrudat obtenu à l'étape (c).
  11. Procédé selon l'une quelconque des revendications 8 à 10, comprenant en outre :
    (e) Formage primaire du mélange homogène, de l'extrudat ou des granulés.
  12. Utilisation d'un mélange de polymères selon l'une quelconque des revendications 1 à 7 en vue de la fabrication d'un matériau d'emballage à faible perméabilité aux gaz.
  13. Utilisation selon la revendication 12 en vue de la fabrication d'un matériau d'emballage par moulage par injection, emboutissage et/ou étirage.
  14. Utilisation selon la revendication 12 ou 13, où la perméabilité aux gaz est de 0,1 à 1 x 10-4 cm3/m2/jour, en particulier de 0,15 à 0,9 x 10-4 cm3/m2/jour, mesurée en vertu de la norme ISO 15105-2.
  15. Utilisation selon l'une quelconque des revendications 12 à 14, où le matériau d'emballage est biodégradable, notamment compostable selon les normes EN 13432 et/ou EN 14995.
  16. Matériau d'emballage constitué à tout le moins en partie d'un mélange de polymères selon l'une quelconque des revendications 1 à 7.
  17. Matériau d'emballage selon la revendication 16, fabriqué par formage primaire, notamment par moulage par injection, emboutissage et/ou étirage.
  18. Matériau d'emballage selon l'une quelconque des revendications 16 ou 17, le matériau d'emballage étant biodégradable, notamment compostable selon les normes EN 13432 et/ou EN 14995.
  19. Matériau d'emballage selon l'une quelconque des revendications 16 à 18, ledit matériau d'emballage ayant une perméabilité aux gaz, notamment à l'oxygène, de 0,1 à 1 x 10-4 cm3/m2/jour, en particulier de 0,15 à 0,9 x 10-4 cm3/m2/jour, mesurée en vertu de la norme ISO 15105-2.
  20. Matériau d'emballage selon l'une quelconque des revendications 16 à 19, ledit matériau étant un matériau d'emballage pour denrées alimentaires conçu notamment pour servir de contenant alimentaire.
EP17703936.9A 2016-02-01 2017-02-01 Récipient pour nourriture imperméable à l'oxygène, méthode, usage et emballage Active EP3411436B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19197117.5A EP3597565A1 (fr) 2016-02-01 2017-02-01 Matière plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de ladite matière plastique
PL17703936.9T PL3411436T5 (pl) 2016-02-01 2017-02-01 Tlenoszczelne tworzywo sztuczne, sposób wytwarzania, zastosowanie i wytworzony z niego materiał opakowaniowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016201498.6A DE102016201498B4 (de) 2016-02-01 2016-02-01 Sauerstoffdichter lebensmittelbehälter
PCT/EP2017/052137 WO2017134096A1 (fr) 2016-02-01 2017-02-01 Plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de celui-ci

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EP19197117.5A Division EP3597565A1 (fr) 2016-02-01 2017-02-01 Matière plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de ladite matière plastique
EP19197117.5A Division-Into EP3597565A1 (fr) 2016-02-01 2017-02-01 Matière plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de ladite matière plastique

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EP3411436A1 EP3411436A1 (fr) 2018-12-12
EP3411436B1 true EP3411436B1 (fr) 2019-09-18
EP3411436B2 EP3411436B2 (fr) 2022-12-28

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EP16828714.2A Active EP3359469B2 (fr) 2016-02-01 2016-12-16 Récipient pour nourriture impermeble au oxygén
EP19197117.5A Withdrawn EP3597565A1 (fr) 2016-02-01 2017-02-01 Matière plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de ladite matière plastique
EP17703936.9A Active EP3411436B2 (fr) 2016-02-01 2017-02-01 Récipient pour nourriture imperméable à l'oxygène, méthode, usage et emballage

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EP16828714.2A Active EP3359469B2 (fr) 2016-02-01 2016-12-16 Récipient pour nourriture impermeble au oxygén
EP19197117.5A Withdrawn EP3597565A1 (fr) 2016-02-01 2017-02-01 Matière plastique étanche à l'oxygène et matériau d'emballage fabriqué à partir de ladite matière plastique

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US (3) US11578200B2 (fr)
EP (3) EP3359469B2 (fr)
JP (2) JP6857660B2 (fr)
CN (2) CN109641695B (fr)
AU (1) AU2016391789C1 (fr)
BR (1) BR112018015576B1 (fr)
CA (1) CA3013236C (fr)
DE (1) DE102016201498B4 (fr)
DK (1) DK3359469T4 (fr)
ES (2) ES2734073T5 (fr)
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ZA201805886B (en) 2019-11-27
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